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====== Celestial Nav Software ======

Looking for [[opencpn:opencpn_user_manual:plugins:navigation:celestial_navigation|Celestial_Navigation_Pi]](the plugin for Opencpn)?

**Application: Astronavigation**

   * Identification of celestial bodies.
  * Nautical Almanac, including sun and moon phenomena.
  * Sights: correction of the observed altitude and calculation of line of position (type of LoP: Marcq Saint Hilaire).
  * Celestial Fix. GPX file output that serves as an input to //OpenCPN//. Complete solution: fix, circles of position, confidence ellipse.

{{:opencpn:software:astronavigation.gif?nolink&900x830}}

The Running Fix problem is easily solved using Astronavigation.exe \\ [[https://sites.google.com/site/navigationalalgorithms/software/AstroNavigation.gif?attredirects=0|animated gif]] :!:  Direct link to download

{{:opencpn:software:figure_5_-_opencpn_circles_of_equal_altitude.png?nolink&900x675}} \\ Circles of position or Circles of equal altitude. General scale. \\  \\ {{:opencpn:software:figure_6_-_opencpn_fix.png?nolink&900x675}} \\ Fix and confidence ellipse. Coastal scale.

[[https://sites.google.com/site/navigationalalgorithms/software/SoftwareNavigationalAlgorithms.pdf?attredirects=0|Pack overview]] :!:  Direct link to download \\
Software is available for free, for non-commercial use, at: [[http://sites.google.com/site/navigationalalgorithms/|http://sites.google.com/site/navigationalalgorithms/]] (Only for Windows®) \\
Plotting circles of equal altitude: [[http://www.mediafire.com/download.php?pp89of9q9fk4rbi| Method explained]]

And a simpler explanation here: [[http://straitofmagellan.blogspot.co.uk/2011/09/celestial-navigation-101-lesson-1.html|http://straitofmagellan.blogspot.co.uk/2011/09/celestial-navigation-101-lesson-1.html]]

